Diagnose instruction for serializing processing

A system serialization capability is provided to facilitate processing in those environments that allow multiple processors to update the same resources. The system serialization capability is used to facilitate processing in a multi-processing environment in which guests and hosts use locks to prov...

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1. Verfasser: HELLER LISA C
Format: Patent
Sprache:eng
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Zusammenfassung:A system serialization capability is provided to facilitate processing in those environments that allow multiple processors to update the same resources. The system serialization capability is used to facilitate processing in a multi-processing environment in which guests and hosts use locks to provide serialization. The system serialization capability includes a diagnose instruction which is issued after the host acquires a lock, eliminating the need for the guest to acquire the lock.